Okay, its pretty idiotic, but whenever i'm in classes, trying to concentrate on what the teacher's saying, i start to suck my pen. I don't just suck it, i chew and grind it too. I've tried to stop it but it doesn't go away, my pen always automatically, mindlessly goes into...

I don't know how this started, but I've been doing it my entire life. Whenever someone asks me a question, I repeat the whole question back before continuing to answer. I've had people point it out, and complain that it's annoying. I don't do it on purpose, in fact I try to...